Letter

The applicability of solid state characterization and analytical techniques for reference chemical substance certification: ANVISA Resolution

Renan M.B. Dezena
Preformulation Specialist in the Pharmaceutical Industry

“Through RDC 166/2017 approval, the characterization of the solid state has become indispensable providing greater access and autonomy for the pharmaceutical industries...” Read More

Webinar

10th Webinar: Chemometrics applied to Liquid and Supercritical Fluid Chromatography: The new era of Analytical
Quality by Design and Mathematical Separation of Signals

Sep 10 / 14:00 (Brasilia time)
Speaker: Prof. Dr. Márcia C. Breitkreitz - Read More

Webinar

9th Webinar: From Flow Injection to Microfluidics: Our Contribution to Food and Environmental Analysis

Jul 30 / 14:00 (Brasilia time)
Speaker: Prof. Antônio Rangel - Read More

Webinar

8th Webinar: Turning Paper and other Low-Cost Materials into Analytical Sensor Devices for In-Field Applications

Jun 25 / 14:00 (Brasilia time)
Speaker: Prof. Dr. Thiago R.L.C. Paixão - Read More

Webinar

7th Webinar: Restricted Access Materials in Biological Sample Preparation for the Determination of Metals and Organic Molecules

May 26 / 14:00 (Brasilia time)
Speaker: Prof.Dr. Eduardo Figueiredo - Read more

Webinar

6th Webinar: Analytical Chemistry Driven Personalised Medicine

April 30 / 14:00 (Brasilia time)
Speaker: Prof. Dr. Jose L. Capelo - Read more

Webinar

5th Webinar: Re-Imagining Standard Additions and InternalStandardization for More Efficient Calibration Methods

March 5 / 15:00 (Brasilia time)
Speaker: Prof. Dr. George L. Donati - Read more

Webinar

4th Webinar: Portable Analytical Tools for Bioanalytical and Forensic Applications

November 26 / 14:00 (Brasilia time)
Speaker: Prof. Wendell K. T. Coltro - Read more

Webinar

3rd Webinar: Analytical Strategies for Environmental and Ecotoxicological Studies

October 30 / 14:00 (Brasilia time)
Speaker: Prof. Dr. Marco T. Grassi - Read more

Webinar

2nd Webinar: Analysis of Clinical Biomarkers by ICP-MS: From Speciation to Single-Cell Approaches

Recorded: 25 September 2020
Speaker: Prof. Dr. Maria Montes - Read more

Webinar

1st Webinar: Development and Application of Methods for the Determination of Residues and Contaminants in Food and Environmental Samples

Recorded: 6 August 2020
Speaker: Prof. Dr. Renato Zanella - Read more

Review: Analytical Challenges for Identification of New Psychoactive Substances: A Literature-Based Study for Seized Drugs

Aline Thais Bruni, Caio Henrique Pinke Rodrigues, Christiano dos Santos, Jade Simões de Castro, Livia Salviano Mariotto, Luiz Felipe Colli Sinhorini

Review: Promising Applications of Additive-Manufactured (3D-printed) Electrochemical Sensors for Forensic Chemistry

Sílvia V. F. Castro, Raquel G. Rocha, Afonso F. João, Eduardo M. Richter, Rodrigo A. A. Munoz

Technical Note: Development of Paraquat Pesticide Determination Methodology in Urine Samples by UHPLC-MS/MS

Karolyne Gramlich de Melo, Gabriela Trindade de Souza e Silva, André Danioti dos Santos, Raul Cleverson Dolores, Francisca Oliveira, Ângelo Zanaga Trape, Paulo César Pires Rosa

Review: Forensic Analysis of Illicit Drugs and Novel Psychoactive Substances in Wastewater: A review of Toxicological, Chemical and Microbiological Aspects

Eduardo Geraldo de Campos, Elaine Cristina Pereira De Martinis, Bruno Spinosa De Martinis

Article: Determination of the Trace Element Contents of Fruit Juice Samples by ICP OES and ICP-MS

Max José Belo de Souza, María Carmen Barciela-Alonso, Manuel Aboal-Somoza, Pilar
Bermejo-Barrera

Article: Activated Charcoal Pellets as an Innovative Method for Forensic Analysis of Ignitable Liquid Residues from Fire Debris by GC-MS

Lais Helena P. B. Carmona, Eduardo Geraldo Campos, Vitor Luiz C. P. Bigão, Ana Luiza C. Pereira, Flávia Duarte Maia, Laiza Silva Telles, Bruno Spinosa De Martinis

Article: Development of Carbon Paste Electrode Chemically Modified with Schiff Base Complexes for Forensic Analysis of Cocaine

Ana Beatriz Defendi da Silva, Alex Soares Castro, Marcelo Firmino de Oliveira

Article: Trends in scientific communication and continuing education in Forensic Sciences during the pandemic of COVID-19: The role of virtual conferences and experiences of the 2020 Online Congress of the Brazilian Society of Forensic Sciences

Eduardo Geraldo de Campos, Daniel Junqueira Dorta, Bruno Spinosa De Martinis

Article: Disposable Stencil-Printed Carbon Electrodes for Electrochemical Analysis of Sildenafil Citrate in Commercial and Adulterated Tablets

Danielly Santos Rocha, Habdias Araujo Silva-Neto, Laísa Cristina de Oliveira, Shellyda Gonçalves Guimarães Souza, Mário Henrique Palis Santana, Wendell Karlos Tomazelli Coltro

Article: Development and Evaluation of two Different Electronic Tongues aiming to the Discrimination of Cutting Agents found in Cocaine Seized Samples

Thalita Guedes Silva, Thiago Regis Longo Cesar da Paixão

Article: Use of Paper Microdevices in the Identification and Quantification of Cocaine in Seized Street Samples

Jadson Zeni dos Reis, Wanderson Romão

Article: Facing the Forensic Challenge of Cannabis Regulation: A Methodology for the Differentiation between Hemp and Marijuana Samples / Presumptive and confirmatory methods for hemp and marijuana analysis

Virgínia Martins Carvalho, Fernando Gomes de Almeida, Andrey Fabiano Lourenço de Aguiar, Fernanda Cardoso dos Santos Pereira, Ernesto Díaz Rocha

Review: Chemometric Approaches in Questioned Documents

Roberta Petry Gorziza, Marina González, Carina Maria Bello de Carvalho, Rafael Scorsatto Ortiz, Marco Flores Ferrão, Renata Pereira Limberger

Article: Chromatographic Analysis of Byproducts from a Non-Toxic Ammunition and a Marked Ammunition: An Assessment of Toxicity

Aline Marcelino Arouca, Maurício Leite Vieira, Márcio Talhavini, Ingrid Távora Weber

Technical Note: Quantitative analysis of Δ9-THC-COOH in Human Urine by the Liquid-Liquid Extraction technique and Gas Chromatography-Mass Spectrometry: Adaptation, Optimization and Validation

Kleber Ota de Oliveira, Deborah Thais Palma Scanferla, Jordana Quaglia Pereira da Silva, Mariana Aparecida Oliveira Madia, Erika Bando, Miguel Machinski Junior, Camila Marchioni, Simone Aparecida Galerani Mossini

Review: GC×GC in the Characterization of the Bio-Oil from Brazilian Biomass: A Review

Rafael de Oliveira Farrapeira, Yasmine Braga Andrade, Laíza Canielas Krause, Thiago Rodrigues Bjerk, Elina Bastos Caramão and Jaderson Kleveston Schneider

Article: Footprint of Arsenic Contamination in Sediments and Water from Mining Sites – A case study based on multivariate optimization by GF AAS

Glenda Máris Mesquita De Filippis, Bruno Elias dos Santos Costa, Simone Soares de Oliveira Borges, Waldomiro Borges Neto, Nivia Maria Melo Coelho, Luciana Melo Coelho

Article: Carcinogenic and Non-Carcinogenic Health Risk Assessment of Heavy Metals in Njaba River, Imo State, Nigeria

Victor Chukwuemeka Eze, Chidiebere Temple Ndife, Miracle Oluebube Muogbo

Article: Hair mineralogram analysis for health assessment: Statistical bias from gender and aesthetic treatments

Gabrielly Peregrino, Carlos G. Massone, Adriana H. Nudi, Tatiana Dillenburg Saint’Pierre

Article: Method Validation and Determination of Leachable Metals from Infusion and Transfusion Medical Devices

Alexandra Janine Schuh, Dirce Pozebon

Agronomic Institute of Campinas (IAC) – One of the Most Renowned Research Centers in Brazil

“The IAC was founded on June 27, 1887 by the Emperor of Brazil D. Pedro II and is the oldest institution dedicated to agronomy in Latin America....”

Fully Automated, Intelligent, High-Throughput Elemental Analysis of Drinking Waters using SQ-ICP-MS

This work presents a robust high-throughput analysis of environmental samples using SQ-ICP-MS in He-KED mode, in accordance with the EPA 200.8–5.5.

US EPA Method 200.7 using the Thermo Scientific iCAP PRO XPS Duo ICP-OES

A Duo ICP-OES presents compliance with the requirements of EPA Method 200.7 for a wide range of water sample types.

Sample Preparation of Environmental Samples for Trace Metal Analysis

In this work, a recovery study on certified reference environmental materials has been performed in order to prove the efficacy of the ETHOS UP in sample preparation for metal analysis.

Thermo Scientific iCAP RQ ICP-MS / Simplicity, productivity and robustness for routine labs in
agribusiness

The ideal trace elemental analyzer for a wide range of several agricultural samples simultaneously determining trace level contaminants and macro level nutrients.

Perform like a PRO / Thermo Scientific™ iCAP™ PRO X ICP-OES system delivers Simplicity, Speed and Robustness

This system combines powerful multi-element capability with flexibility, so your lab is ready for any challenge. Produce consistent, reliable data quickly and easily. Experience enhanced sample throughput, matrix tolerance, and flexibility to produce results you can trust.

Milestone ETHOS UP / High Performance Microwave Digestion System

The new ETHOS™ UP is simply the most advanced yet easy to use system for microwave sample preparation ever manufactured. It offers a perfect integration between microwave hardware, user interface, digestion sensors and pressure vessels.

Pittcon 2022: Finally a Chance to Collaborate in Person

Reconnect with colleagues, feel the instruments, and experience the sights. Celebrate bringing together a world of knowledge to impact, enrich, and inspire the future of science. March 5-9, 2022, Georgia World Congress Center, Atlanta, GA USA.

SelectScience® Pioneers online Communication and Promotes Scientific Success

SelectScience® informs through Editorial, Q&A and Application Articles, Featured Topics, Event Coverage, Video and Webinars.

CHROMacademy is the leading provider of eLearning for analytical science

For over 10 years, CHROMacademy has increased knowledge, efficiency and productivity across all applications of chromatography.

Events

Tentative agenda of events for 2021 & 2022. It is suggested to consult the event's official website for updates.

Periodicals & Websites

Get access to reliable sources of analytical chemistry information useful for researchers and for academic, R&D and industry Labs.

Notices of Books

Scientific books on Analytical Chemistry recently launched or to be launched soon are presented here.